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Date: Thu, 9 Jun 2016 23:37:28 +0300
From: Aaro Koskinen <aaro.koskinen@....fi>
To: Rob Herring <robh+dt@...nel.org>,
David Daney <ddaney.cavm@...il.com>, devicetree@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Aaro Koskinen <aaro.koskinen@....fi>
Subject: [PATCH v2] Documentation/devicetree: document cavium-pip rx-delay/tx-delay properties
Document cavium-pip rx-delay/tx-delay properties. Currently the board
specific values need to be hardcoded in the platform code, which we
want to avoid when moving to DT-only booting.
Signed-off-by: Aaro Koskinen <aaro.koskinen@....fi>
---
v2: Update the description.
v1: http://marc.info/?l=devicetree&m=146507906104224&w=2
Documentation/devicetree/bindings/net/cavium-pip.txt | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/cavium-pip.txt b/Documentation/devicetree/bindings/net/cavium-pip.txt
index 7dbd158..e3b8fe71 100644
--- a/Documentation/devicetree/bindings/net/cavium-pip.txt
+++ b/Documentation/devicetree/bindings/net/cavium-pip.txt
@@ -37,6 +37,12 @@ Properties for PIP port which is a child the PIP interface:
- phy-handle: Optional, see ethernet.txt file in the same directory.
+- rx-delay: Delay value for RGMII receive clock. Optional. Disabled if 0.
+ Value range is 1-31, and mapping to the actual delay varies depending on HW.
+
+- tx-delay: Delay value for RGMII transmit clock. Optional. Disabled if 0.
+ Value range is 1-31, and mapping to the actual delay varies depending on HW.
+
Example:
pip@...00a0000000 {
--
2.7.2
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